â¢ For identification: type of stem (woody or herbaceous), monocot or dicot, has pubescence (hair) or not (glabrous), shape of stem (square â round), or contains glands. Stem Monocot stem
Constantine enacted another change that helped accelerate the fall of the Roman Empire. In 330 C.E., he split the empire into two parts: the western half centered in Rome and the eastern half centered in Constantinople, a city he named after himself.
The Roman general Carausius set up a breakaway state in Britain and part of northern Gaul, independent from the main Roman empire, in 286; he was murdered and succeeded by Allectus, who ruled from 293 until the main empire reconquered Britain in 296.